Earth science Terms Beginning with D:
- D horizon
- D layer
- D region
- dacite
- dacite glass
- dactylitic
- dadur
- daily forecast
- daily mean
- daily retardation
- daily variation
- Dakotan
- damp air
- damp haze
- Danburite
- dancing dervish
- dancing devil
- dangerous semicircle
- Danian
- dark segment
- Darling shower
- dart leader
- Darwin glass
- Darwin-Doodson system
- Datolite
- Datum
- Daughter Element
- Davian
- Davidson Current
- DDA value
- De Vries effect
- dead
- dead cave
- Dead Sea
- dead water
- deaister
- debris
- Debris Avalanche
- debris cone
- debris fall
- debris flow
- debris glacier
- debris line
- debris slide
- debris slope
- decay
- decay area
- decay distance
- decay of waves
- Deccan basalt
- Deccan trap
- declination
- declivity
- Decollment
- decomposition
- decrement
- decrepitation
- decussate fabric
- decussate structure
- dedolomitization
- deep
- deep easterlies
- deep inland sea
- deep scattering layer
- deep trades
- deep water
- deep-casting
- deep-marine sediments
- deep-sea basin
- deep-sea channel
- deep-sea plain
- deep-sea trench
- deep-seated
- deep-water wave
- deepening
- Deerparkian
- Deflation
- deflation basin
- deflation lake
- deflection angle
- deflection fold
- deflection of the vertical
- deflection plane
- deformation
- deformation band
- deformation fabric
- deformation lamella
- deformation lamella (plural lamellae)
- deformation mechanism map
- deformation partitioning
- deformation path
- deformation phase
- deformation tensor
- deformation twin
- degenerative recrystallization
- deglaciation
- degradation
- degradation recrystallization
- degrading stream
- degrees of frost
- Deister phase
- Delay Rental
- dell
- Delmontian
- Delta
- delta geosyncline
- delta moraine
- delta plain
- delta region
- deltaic deposits
- Delvauxite
- demorphism
- Dendritic Drainage
- dendritic valleys
- dendrochronology
- dendroclimatology
- dendrogeomorphology
- dendrohydrology
- density altitude
- density channel
- Density Current
- Density Logs
- density ratio
- Denudation
- deoxidation sphere
- departure
- depegram
- depeq
- depergelation
- depocenter
- deposit
- Deposition
- depositional dip
- depositional sequence
- depositional strike
- depression
- depression spring
- depression storage
- depth
- depth contour
- depth curve
- depth hoar
- depth of compensation
- depth zone
- depth-duration-area value
- derecho
- derived gust velocity
- Des Moinesian
- descendant
- descriptive climatology
- descriptive meteorology
- desert
- desert climate
- desert crust
- desert devil
- Desert Pavement
- desert peneplain
- desert plain
- desert polish
- desert soil
- desert varnish
- desert wind
- desiccation
- desiccation breccia
- desiccation crack
- design climatology
- design water depth
- desilication
- Dessication fractures
- Destinezite
- detached core
- detrainment
- Detrital
- detrital fan
- detrital ratio
- detrital remanent magnetization
- detrital reservoir
- Detrital sediment
- detritus
- deuteric
- Development
- development index
- Development Well
- Developmental Drilling
- deviatoric stress
- Devonian
- dew
- dew point
- dew-point depression
- dew-point formula
- dew-point spread
- dew-point temperature
- deWitte relation
- dextral drag fold
- dextral fault
- dextral fold
- DI
- diachronous
- diaclinal
- Diagenesis
- diagenetic foliation
- diagenetic strain
- diagnostic equation
- diagonal fault
- diagonal joint
- Diamond
- diamond matrix
- diapir
- diapiric fold
- Diaspore
- diastem
- diastrophism
- Diatom
- Diatom Ooze
- diatomaceous earth
- diatomaceous ooze
- Diatomite
- diatreme
- Dichroite
- dictyonema bed
- difference of latitude
- difference of longitude
- differential analysis
- differential chart
- differential compaction
- differential erosion
- differential fault
- Differential state of strain
- Differential state of stress
- differential stress
- differentiated layering
- Differentiated Planet
- diffraction pattern
- diffuse aurora
- diffuse front
- diffusion
- diffusion creep
- diffusion diagram
- diffusive equilibrium
- digitation
- Dihedral angle
- Dike
- dike ridge
- dike set
- dike swarm
- dilatancy
- dilatation band
- dimictic lake
- dimmerfoehn
- Dinantian
- Dinarides
- Diopside
- Dioptase
- Diorite
- Diorites
- Dip
- dip fault
- dip joint
- dip log
- dip reversal
- dip slip
- dip slope
- dip stream
- dip-strike symbol
- dipmeter log
- direct cell
- direct stratification
- direct tide
- direction
- Directional Drilling
- directional structure
- dirt band
- dirt bed
- dirt slip
- Discharge
- discomfort index
- disconformity
- Discontinuity
- discontinuous reaction series
- discordance
- discordant pluton
- discrete-film zone
- disharmonic fold
- dishpan experiment
- disjunctive foliation
- dislocation
- dislocation breccia
- dislocation climb
- dislocation creep
- dislocation density
- dislocation glide
- dismicrite
- dispersal pattern
- dispersed elements
- displaced ore body
- displacement
- displacement path
- display loss
- dissected topography
- dissection
- dissipation constant
- Dissolved Load
- distorted water
- distortional wave
- distributary
- distributary channel
- distributed fault
- distribution graph
- Distribution Pipeline
- distributive fault
- district forecast
- disturbance
- diurnal age
- diurnal inequality
- diurnal range
- diurnal tide
- diurnal variation
- divagation
- divergence
- divergence loss
- Divergent Margins
- Divesian
- Divide
- Djulfian
- Dobson unit
- doctor
- dog days
- dogger
- doister
- doldrums
- doline
- dolocast
- Dolomite
- dolomitization
- domain shape preferred orientation
- domainal slaty cleavage
- Dome
- Domerian
- Domestic Operations
- domino boudin
- Donau glaciation
- doodlebug
- dopplerite
- double ebb
- double tide
- doubly plunging fold
- douser
- down
- downcutting
- downdip
- downrush
- downstream
- downthrow
- downwarp
- downwelling
- Dowtonian
- drag fold
- drag mark
- dragging microstructure
- drainage
- drainage area
- Drainage Basin
- drainage density
- Drainage Divide
- drainage lake
- drainage pattern
- drainage ratio
- drainage system
- drainage wind
- draping
- Drawdown
- dreikanter
- Dresbachian
- drewite
- Drift
- drift bottle
- drift card
- drift current
- drift dam
- drift glacier
- drift ice
- drift ice foot
- drift station
- drift terrace
- drifting snow
- Drilling Arrangement
- drip
- dripping drop atomization
- dripstone
- driven snow
- drizzle
- drizzle drop
- DRM
- drop
- drop theory
- drop-size distribution
- droplet
- dropsonde observation
- dropstone
- drought
- drowned atoll
- drowned coast
- drowned river mouth
- drowned stream
- drowned valley
- droxtal
- Drumlin
- drumlinoid
- druse
- drusy
- dry adiabat
- dry adiabatic lapse rate
- dry adiabatic process
- dry air
- dry climate
- dry delta
- dry firn
- dry fog
- dry freeze
- dry haze
- dry permafrost
- dry quicksand
- dry sand
- dry season
- dry spell
- dry tongue
- dry valley
- dry wash
- dry-dock iceberg
- Dry-Hole
- Dry-Hole Contribution
- dry-hot-rock geothermal system
- dryline
- drystone
- DSPO
- Dst
- DST
- duct
- Ductile behavior
- Ductility
- ducting
- dull coal
- Dumortierite
- Dune
- dune complex
- duplicatus
- durain
- Durargid
- duration
- duricrust
- durinite
- duripan
- durite
- dusenwind
- dust
- dust avalanche
- dust bowl
- dust devil
- dust horizon
- dust storm
- dust well
- dust whirl
- dust-devil effect
- duty of water
- dwey
- dwigh
- dwoy
- Dwyka tillite
- dynamic climatology
- dynamic forecasting
- dynamic geomorphology
- dynamic height
- dynamic metamorphism
- dynamic meteorology
- dynamic recrystallisation
- dynamic roughness
- dynamic thickness
- dynamic trough
- dynamic vertical
- dynamic-height anomaly
- dynamo effect
- dynamo theory
- dynamometamorphism
- Dysodil
- dyster
- d‚collement